#log {
  width: 80%;
  border:1px solid;
  margin:0 auto;
  padding: 10px;
}
#log p {
  padding:0;
  margin:0;
}
#log p.alternate {
  background-color: #cceecc;
}
iframe {
  width:1px;
  height:1px;
  visibility: hidden;
  position:absolute;
  top:0px;
  left:0px;
  border:none;
}
